<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Untitled Page</title>
</head>
<body>
<table>
	<tr>
		<td>验证码</td>
		<td>
			<img onclick="FreshValidtionCode()" id="imgValidationCode" src="/pic" /> &nbsp;
			<a href="javascript:void(0)" onclick="FreshValidtionCode()">看不清</a>
		</td>
	</tr>
</table>

</body>
</html>
<script type="text/javascript" language="javascript">
	function FreshValidtionCode(){
	 document.getElementById("imgValidationCode").src="/pic?"+Math.random();
	}
</script>